There were very large variations in WHC among the breast muscles
even from the same dietary treatment group.
Significant differences in H-FABP mRNA expression were detected between 30 and 120 d in the breast muscles
of BBOC (p = 0.001), SBOC (p = 0.007), and WBOC (p < 0.001) as well as in the leg muscles of BBOC (p < 0.001), SBOC (p < 0.001), and WBOC (p < 0.001).
A 0.5 g breast muscle
sample was pressed onto an ovendried Whatman 125-mm filter paper (Maidstone, Kent, UK) at 207 bar.
Concentration of C20:5n-3 was affected by treatment and muscle interaction, which was greater in breast muscles
than in thigh muscles for low n-6/n-3 group.
Muscle pH: Breast muscle
pH was measured in the upper one-third of the pectoral major muscle from the right side with pH meter PB-10 (Sartorius Scientific Instruments Co., Ltd., Beijing, China).
The decrease in the intramuscular fat content and the increase in the protein content of breast muscles
in SG chickens, noted in our study, correspond with the findings of Castellini et al.
The color and the pH values of breast muscle
(Pectoralis major) of broilers fed diet with the green tea extract Traits Diet 0GTE 0.1GTE 0.2GTE L *, lightness 57.34 (b) 63.08 (a) 58.60 (b) a *, redness 2.02 (b) 2.53 (a) 2.64 (a) b *, yellowness -1.74 (b) 0.13 (a) 0.21 (a) pH 5.67 (a) 5.48 (b) 5.61 (ab) Traits SEM p L *, lightness 0.473 ** a *, redness 0.082 ** b *, yellowness 0.215 ** pH 0.035 * (a,b) Values, which are means of 16 birds per treatment, in the same row not sharing a common superscript differ significantly.
pH measurements: The pH was measured in triplicate by inserting electrodes into the breast muscle
using a pH meter (HI 99163, Hanna Instruments Brasil, Barueri, SP, Brazil), reported by Olivo et al .
Sixteen kinds of tissues samples were collected from liver, heart, spleen, kidney, lung, cerebellum, cerebrum, proventriculus, gizzard, intestine, large intestine, abdominal fat, subcutaneous fat, pituitary, hypothalamus, and breast muscle
, and frozen in liquid nitrogen until being used.
Fast growing birds reared under the conventional system have reddish thigh and breast muscles
, but slow growing birds have increased yellowness in meat.
L* (lightness) and b* (yellowness) values of the breast muscles
increased in the chicks fed with 200 ml/kg CSO.
At the same time, no significant differences were found in the intensity of lipid oxidation in chicken breast muscles
. The increase of MDA content during frozen storage was significant in all samples of meat when compared to the 1-d-chilled fresh muscles (P < 0.01).
caninum, and Sarcocystis species in the heart and breast muscles
of rock pigeons.
Multiple hematomas were observed on the breast muscles
as well as superficial leg muscles.
The liver, leg, heart, and breast muscles
were immediately dissected from each embryo or chicken after execution and stored in liquid nitrogen until RNA extraction.